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      Scientific American February 05, 1870

      Recent American and Foreign Patents- February 5, 1870

      Under this heading we shall publish weekly notes of some Of the more prominent home and foreign patents.

      • February 5, 1870

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      More in the February 05, 1870 issue of Scientific American
      • Albumen
      • Construction of Hollow Walls
      • Manufacture of Cotton Seed, Cotton Seed Cakes, and Meal
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